private void OnChanged(object sender, ShuffleCollectionChangedEventArgs e)
{
foreach (Song song in e.GetRemoved())
{
Unsubscribe(song);
}
foreach (Song song in e.GetAdded())
{
Subscribe(song);
}
}
private void Change(ChangeCollectionItem <Song>[] removeChanges, ChangeCollectionItem <Song>[] addChanges, Song[] oldShuffle)
{
if (removeChanges.Length == 0 && addChanges.Length == 0)
{
return;
}
ShuffleCollectionChangedEventArgs args = new ShuffleCollectionChangedEventArgs(addChanges, removeChanges);
Changed?.Invoke(this, args);
OnPropertyChanged(nameof(Count));
if (Parent?.Parent == null)
{
return;
}
Song currentSong = Parent.Parent.CurrentSong;
if (this.Contains(currentSong))
{
UpdateCurrentSong(oldShuffle);
}
}
private void OnShuffleCollectionChanged(object sender, ShuffleCollectionChangedEventArgs e)
{
ShuffleCollectionChanged?.Invoke(this, new SubscriptionsEventArgs <IShuffleCollection, ShuffleCollectionChangedEventArgs>(sender, e));
}
private void Shuffle_Changed(object sender, ShuffleCollectionChangedEventArgs e)
{
SetItemsSource(Source.Shuffle.ToArray());
}
